52822261439 has 4 divisors (see below), whose sum is σ = 54643718760. Its totient is φ = 51000804120.

The previous prime is 52822261409. The next prime is 52822261447. The reversal of 52822261439 is 93416222825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52822261439 - 2²⁰ = 52821212863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52822261439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52822261409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910728617 + ... + 910728674.

It is an arithmetic number, because the mean of its divisors is an integer number (13660929690).

Almost surely, 2^52822261439 is an apocalyptic number.

52822261439 is a deficient number, since it is larger than the sum of its proper divisors (1821457321).

52822261439 is a wasteful number, since it uses less digits than its factorization.

52822261439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821457320.

The product of its digits is 414720, while the sum is 44.

The spelling of 52822261439 in words is "fifty-two billion, eight hundred twenty-two million, two hundred sixty-one thousand, four hundred thirty-nine".